Biopsy Principles and techniques Flashcards
What is a papule?
-Circumscribed solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm (.5 inch)
What is a macule?
-Circumscribed change in the color of skin that is neither raised nor depressed, they are completely flat and can only be appreciated by visual inspection and not by touch
What is a macule greater than 1 cm referred to as?
-Patch
What is a nodule?
-A raised solid lesion more than 1 cm
What layers are nodules found in?
- Epidermis
- Dermis
- Subcutaneous tissue
What is a plaque?
-Solid, raised, flat-topped lesion greater than 1 cm in diameter
What are vesicles?
-Raised lesions less than 1 cm in diameter that are filled with clear fluid
What is a bullae?
-Circumscribed fluid-filled lesions that are greater than 1 cm in diameter
Define sessile?
-Attached directly by its base without a stalk or peduncle
T/F A fibroma is always sessile
True
What are your choices if you see a pathology in the clinic?
- Watch it (2 weeks)
- Cytology
- Brush Biopsy (epithelial lesions)
- Fine needle aspiration
- Soft tissue scapel biopsy
Why do you wait two weeks?
-That is how long it takes a basal cell to become an epithelial cell
What are three reasons not to do a brush biopsy?
- Lesions with intact normal epithelium
- Highly suspicious lesions
- Lesions with obvious etiology
What is the fee for an analysis of a scalpel biopsy?
$239
What is the fee for collecting the specimen on a scalpel biopsy?
$150
